... HAVE FACTORY AND IMP&EXP COMPANY IN QUZHOU ,ZHEJIANG . Product:R12 REPLACEMENT GAS Property of chloride :Molecular Weight89.86Boiling Point, °C-32 ... , PPm≤1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench Application:R12 replacement. R12 REPLACEMENT GAS